Invite links with a personal message, seeing when someone is recording audio or sending a photo or video, an emoji keyboard that replaces the keyboard, and view-once messages that stay hidden for you too and show when they were resent.
SHA-256 c80cce4485744358e313b1df198a6006d9644ccdc8fd79b3252992f06eae1bf8On Android, let your browser install apps when it asks, then open the downloaded file.
French and Malagasy, app lock, profile photos, removing a contact for both of you, emoticons that turn into emoji, push notifications, and a notice when a new version is out.